Who is most likely to find a new partner after being widowed?

A distribution shape that looks like a hill or inverted "U" represents which of the following correlations?

a) no relation b) a curvilinear relation c) a strong positive correlation d) a strong negative correlation

LaPiere's research with the Chinese couple pointed out the ________

a) difficulty of studying actual behaviors during travel b) concordance between actual attitudes and reported conditions c) strong agreement between reported attitudes and actual behavior d) difficulty of predicting actual behavior from reported attitudes